/*
 * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/cookie/IgnoreCookiesSpec.java,v 1.6 2004/09/14 20:11:31 olegk Exp $
 * $Revision: 480424 $
 * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
 *
 * ====================================================================
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.commons.httpclient.cookie;

import java.util.Collection;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.NameValuePair;

/**
 * A cookie spec that does nothing. Cookies are neither parsed, formatted nor
 * matched. It can be used to effectively disable cookies altogether.
 * 
 * @since 3.0
 */
public class IgnoreCookiesSpec implements CookieSpec {

	/**
     * 
     */
	public IgnoreCookiesSpec() {
		super();
	}

	/**
	 * Returns an empty {@link Cookie cookie} array. All parameters are ignored.
	 */
	public Cookie[] parse(String host, int port, String path, boolean secure,
			String header) throws MalformedCookieException {
		return new Cookie[0];
	}

	/**
	 * @return <code>null</code>
	 */
	public Collection getValidDateFormats() {
		return null;
	}

	/**
	 * Does nothing.
	 */
	public void setValidDateFormats(Collection datepatterns) {
	}

	/**
	 * @return <code>null</code>
	 */
	public String formatCookie(Cookie cookie) {
		return null;
	}

	/**
	 * @return <code>null</code>
	 */
	public Header formatCookieHeader(Cookie cookie)
			throws IllegalArgumentException {
		return null;
	}

	/**
	 * @return <code>null</code>
	 */
	public Header formatCookieHeader(Cookie[] cookies)
			throws IllegalArgumentException {
		return null;
	}

	/**
	 * @return <code>null</code>
	 */
	public String formatCookies(Cookie[] cookies)
			throws IllegalArgumentException {
		return null;
	}

	/**
	 * @return <code>false</code>
	 */
	public boolean match(String host, int port, String path, boolean secure,
			Cookie cookie) {
		return false;
	}

	/**
	 * Returns an empty {@link Cookie cookie} array. All parameters are ignored.
	 */
	public Cookie[] match(String host, int port, String path, boolean secure,
			Cookie[] cookies) {
		return new Cookie[0];
	}

	/**
	 * Returns an empty {@link Cookie cookie} array. All parameters are ignored.
	 */
	public Cookie[] parse(String host, int port, String path, boolean secure,
			Header header) throws MalformedCookieException,
			IllegalArgumentException {
		return new Cookie[0];
	}

	/**
	 * Does nothing.
	 */
	public void parseAttribute(NameValuePair attribute, Cookie cookie)
			throws MalformedCookieException, IllegalArgumentException {
	}

	/**
	 * Does nothing.
	 */
	public void validate(String host, int port, String path, boolean secure,
			Cookie cookie) throws MalformedCookieException,
			IllegalArgumentException {
	}

	/**
	 * @return <code>false</code>
	 */
	public boolean domainMatch(final String host, final String domain) {
		return false;
	}

	/**
	 * @return <code>false</code>
	 */
	public boolean pathMatch(final String path, final String topmostPath) {
		return false;
	}

}
